// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <stddef.h>

#include "base/bind.h"
#include "base/message_loop/message_loop.h"
#include "base/test/launcher/unit_test_launcher.h"
#include "base/test/test_suite.h"
#include "build/build_config.h"
#include "media/base/media.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h"
#include "third_party/WebKit/public/platform/scheduler/test/renderer_scheduler_test_support.h"
#include "third_party/WebKit/public/web/WebKit.h"

#if defined(OS_ANDROID)
#include "base/android/jni_android.h"
#include "media/base/android/media_jni_registrar.h"
#endif

#if !defined(OS_IOS)
#include "mojo/edk/embedder/embedder.h"
#endif

#ifdef V8_USE_EXTERNAL_STARTUP_DATA
#include "gin/v8_initializer.h"
#endif

class TestBlinkPlatformSupport : public blink::Platform {
public:
    TestBlinkPlatformSupport()
        : renderer_scheduler_(
            blink::scheduler::CreateRendererSchedulerForTests())
        , main_thread_(renderer_scheduler_->CreateMainThread())
    {
    }
    ~TestBlinkPlatformSupport() override;

    blink::WebThread* currentThread() override
    {
        EXPECT_TRUE(main_thread_->isCurrentThread());
        return main_thread_.get();
    }

private:
    std::unique_ptr<blink::scheduler::RendererScheduler> renderer_scheduler_;
    std::unique_ptr<blink::WebThread> main_thread_;
};

TestBlinkPlatformSupport::~TestBlinkPlatformSupport()
{
    renderer_scheduler_->Shutdown();
}

class BlinkMediaTestSuite : public base::TestSuite {
public:
    BlinkMediaTestSuite(int argc, char** argv);
    ~BlinkMediaTestSuite() override;

protected:
    void Initialize() override;

private:
    std::unique_ptr<TestBlinkPlatformSupport> blink_platform_support_;
};

BlinkMediaTestSuite::BlinkMediaTestSuite(int argc, char** argv)
    : TestSuite(argc, argv)
    , blink_platform_support_(new TestBlinkPlatformSupport())
{
}

BlinkMediaTestSuite::~BlinkMediaTestSuite() { }

void BlinkMediaTestSuite::Initialize()
{
    // Run TestSuite::Initialize first so that logging is initialized.
    base::TestSuite::Initialize();

#if defined(OS_ANDROID)
    media::RegisterJni(base::android::AttachCurrentThread());
#endif

    // Run this here instead of main() to ensure an AtExitManager is already
    // present.
    media::InitializeMediaLibrary();

#ifdef V8_USE_EXTERNAL_STARTUP_DATA
    gin::V8Initializer::LoadV8Snapshot();
    gin::V8Initializer::LoadV8Natives();
#endif

// Initialize mojo firstly to enable Blink initialization to use it.
#if !defined(OS_IOS)
    mojo::edk::Init();
#endif
    // Dummy task runner is initialized here because the blink::initialize creates
    // IsolateHolder which needs the current task runner handle. There should be
    // no task posted to this task runner.
    std::unique_ptr<base::MessageLoop> message_loop;
    if (!base::MessageLoop::current())
        message_loop.reset(new base::MessageLoop());
    blink::initialize(blink_platform_support_.get());
}

int main(int argc, char** argv)
{
    BlinkMediaTestSuite test_suite(argc, argv);

    return base::LaunchUnitTests(
        argc, argv, base::Bind(&BlinkMediaTestSuite::Run, base::Unretained(&test_suite)));
}
